gecko-dev/devtools/client/shared/test/browser_treeWidget_keyboard...

312 строки
8.5 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Tests that keyboard interaction works fine with the tree widget
const TEST_URI =
"data:text/html;charset=utf-8,<head>" +
"<link rel='stylesheet' type='text/css' href='chrome://devtools/skin/widg" +
"ets.css'></head><body><div></div><span></span></body>";
const { TreeWidget } = require("devtools/client/shared/widgets/TreeWidget");
add_task(async function() {
await SpecialPowers.pushPrefEnv({
set: [["security.allow_unsafe_parent_loads", true]],
});
await addTab("about:blank");
const [host, win, doc] = await createHost("bottom", TEST_URI);
// Creating a host is not correctly waiting when DevTools run in content frame
// See Bug 1571421.
await wait(1000);
const tree = new TreeWidget(doc.querySelector("div"), {
defaultType: "store",
});
populateTree(tree, doc);
await testKeyboardInteraction(tree, win);
tree.destroy();
host.destroy();
gBrowser.removeCurrentTab();
});
function populateTree(tree, doc) {
tree.add([
{
id: "level1",
label: "Level 1",
},
{
id: "level2-1",
label: "Level 2",
},
{
id: "level3-1",
label: "Level 3 - Child 1",
type: "dir",
},
]);
tree.add([
"level1",
"level2-1",
{ id: "level3-2", label: "Level 3 - Child 2" },
]);
tree.add([
"level1",
"level2-1",
{ id: "level3-3", label: "Level 3 - Child 3" },
]);
tree.add([
"level1",
{
id: "level2-2",
label: "Level 2.1",
},
{
id: "level3-1",
label: "Level 3.1",
},
]);
tree.add([
{
id: "level1",
label: "Level 1",
},
{
id: "level2",
label: "Level 2",
},
{
id: "level3",
label: "Level 3",
type: "js",
},
]);
tree.add(["level1.1", "level2", { id: "level3", type: "url" }]);
// Adding a new non text item in the tree.
const node = doc.createElement("div");
node.textContent = "Foo Bar";
node.className = "foo bar";
tree.add([
{
id: "level1.2",
node: node,
attachment: {
foo: "bar",
},
},
]);
}
// Sends a click event on the passed DOM node in an async manner
function click(node) {
const win = node.ownerDocument.defaultView;
executeSoon(() => EventUtils.synthesizeMouseAtCenter(node, {}, win));
}
/**
* Tests if pressing navigation keys on the tree items does the expected behavior
*/
async function testKeyboardInteraction(tree, win) {
info("Testing keyboard interaction with the tree");
let event;
const pass = (d, a) => event.resolve([d, a]);
info("clicking on first top level item");
let node = tree.root.children.firstChild.firstChild;
event = defer();
// The select event handler will be called before the click event hasn't
// fully finished, so wait for both of them.
const clicked = once(node, "click");
tree.once("select", pass);
click(node);
info("Wait for the click event");
await clicked;
info("Wait for the select event on tree");
await event.promise;
node = tree.root.children.firstChild.nextSibling.firstChild;
// node should not have selected class
ok(
!node.classList.contains("theme-selected"),
"Node should not have selected class"
);
ok(!node.hasAttribute("expanded"), "Node is not expanded");
info("Pressing down key to select next item");
event = defer();
tree.once("select", pass);
EventUtils.synthesizeKey("KEY_ArrowDown", {}, win);
let [data, attachment] = await event.promise;
is(data, "level1", "Correct item was selected after pressing down");
ok(!attachment, "null attachment was emitted");
ok(node.classList.contains("theme-selected"), "Node has selected class");
ok(node.hasAttribute("expanded"), "Node is expanded now");
info("Pressing down key again to select next item");
event = defer();
tree.once("select", pass);
EventUtils.synthesizeKey("KEY_ArrowDown", {}, win);
[data, attachment] = await event.promise;
is(
data.length,
2,
"Correct level item was selected after second down keypress"
);
is(data[0], "level1", "Correct parent level");
is(data[1], "level2", "Correct second level");
info("Pressing down key again to select next item");
event = defer();
tree.once("select", pass);
EventUtils.synthesizeKey("KEY_ArrowDown", {}, win);
[data, attachment] = await event.promise;
is(
data.length,
3,
"Correct level item was selected after third down keypress"
);
is(data[0], "level1", "Correct parent level");
is(data[1], "level2", "Correct second level");
is(data[2], "level3", "Correct third level");
info("Pressing down key again to select next item");
event = defer();
tree.once("select", pass);
EventUtils.synthesizeKey("KEY_ArrowDown", {}, win);
[data, attachment] = await event.promise;
is(
data.length,
2,
"Correct level item was selected after fourth down keypress"
);
is(data[0], "level1", "Correct parent level");
is(data[1], "level2-1", "Correct second level");
// pressing left to check expand collapse feature.
// This does not emit any event, so listening for keypress
tree.root.children.addEventListener(
"keydown",
() => {
// executeSoon so that other listeners on the same method are executed first
executeSoon(() => event.resolve(null));
},
{ once: true }
);
info("Pressing left key to collapse the item");
event = defer();
node = tree._selectedLabel;
ok(node.hasAttribute("expanded"), "Item is expanded before left keypress");
EventUtils.synthesizeKey("KEY_ArrowLeft", {}, win);
await event.promise;
ok(
!node.hasAttribute("expanded"),
"Item is not expanded after left keypress"
);
// pressing left on collapsed item should select the previous item
info("Pressing left key on collapsed item to select previous");
tree.once("select", pass);
event = defer();
// parent node should have no effect of this keypress
node = tree.root.children.firstChild.nextSibling.firstChild;
ok(node.hasAttribute("expanded"), "Parent is expanded");
EventUtils.synthesizeKey("KEY_ArrowLeft", {}, win);
[data] = await event.promise;
is(
data.length,
3,
"Correct level item was selected after second left keypress"
);
is(data[0], "level1", "Correct parent level");
is(data[1], "level2", "Correct second level");
is(data[2], "level3", "Correct third level");
ok(
node.hasAttribute("expanded"),
"Parent is still expanded after left keypress"
);
// pressing down again
info("Pressing down key to select next item");
event = defer();
tree.once("select", pass);
EventUtils.synthesizeKey("KEY_ArrowDown", {}, win);
[data, attachment] = await event.promise;
is(
data.length,
2,
"Correct level item was selected after fifth down keypress"
);
is(data[0], "level1", "Correct parent level");
is(data[1], "level2-1", "Correct second level");
// collapsing the item to check expand feature.
tree.root.children.addEventListener(
"keydown",
() => {
executeSoon(() => event.resolve(null));
},
{ once: true }
);
info("Pressing left key to collapse the item");
event = defer();
node = tree._selectedLabel;
ok(node.hasAttribute("expanded"), "Item is expanded before left keypress");
EventUtils.synthesizeKey("KEY_ArrowLeft", {}, win);
await event.promise;
ok(!node.hasAttribute("expanded"), "Item is collapsed after left keypress");
// pressing right should expand this now.
tree.root.children.addEventListener(
"keydown",
() => {
executeSoon(() => event.resolve(null));
},
{ once: true }
);
info("Pressing right key to expend the collapsed item");
event = defer();
node = tree._selectedLabel;
ok(!node.hasAttribute("expanded"), "Item is collapsed before right keypress");
EventUtils.synthesizeKey("KEY_ArrowRight", {}, win);
await event.promise;
ok(node.hasAttribute("expanded"), "Item is expanded after right keypress");
// selecting last item node to test edge navigation case
tree.selectedItem = ["level1.1", "level2", "level3"];
node = tree._selectedLabel;
// pressing down again should not change selection
event = defer();
tree.root.children.addEventListener(
"keydown",
() => {
executeSoon(() => event.resolve(null));
},
{ once: true }
);
info("Pressing down key on last item of the tree");
EventUtils.synthesizeKey("KEY_ArrowDown", {}, win);
await event.promise;
ok(
tree.isSelected(["level1.1", "level2", "level3"]),
"Last item is still selected after pressing down on last item of the tree"
);
}